import java.util.Scanner;

public class test15 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入大于等于2的整数");
        int a = sc.nextInt();
        for (int i = 1; i < a; i++) {
            if (i * i == a) {
                System.out.println(i + "为" + a + "的平方根");
                break;
            } else if (i * i > a) {
                System.out.println(i-1 + "为" + a + "平方根的整数部分");
                break;
            }

        }
    }
}